Heatihg device



Mam 26 W23. y

B. T. STREET HEATING DEVICE Filed May 12, 1922 2 sheets-sheet 1 Mar. 2(9); 3923. Y 1,44%1133 Y B. T. STREET HEATING DEVICE Filed May 12, 1922 2 sheets-sheet 2 "WW gnven foz BJYJ'IREET I attoimug 0. l l ill- Patented Mar. 26, lit-132a. r

l i Ti"\ A "si en. F e s! n tlhll it A ll T ll @lli h its BEAUMONT T. STREET, OF SPRINGFIELD, IVIISSO'URI.

HMTING DEVICE.

Application filed May 12, 1922. Serialit'o. 56Gflll9.

To aZZwhomc'tmay concern. and the pipe 8. This draft regulator is Be it known that T, BEAUMONT T. S'rnnnr, mounted on a hinge or pivot 14, and is cona citizen of the United States, residing at trolled by a lever 15, arranged on the exte- Springfield, in the county of Greene and rior. Beyond the valve, the throat branches 5 State of Missouri, have invented certain new into a pair of substantially semi-circular 60 and useful Improvements in Heating Deconduits 15 which extend around the furnace vices, of which the following is a specifica- (see Figure l) and communicate with the tion. ash pit through openings 16.

This invention relates to heating devices, In operation the valve or, damper 13 is and more particularly to control means for adapted to be arranged in the position 65 furnaces and other heating appliances. shown in full lines in Figure 2 of the draw- An object of the invention is the proviings, to cut off the draft from the furnace. vision of a simplified draft control by means Air entering opening 12 then passes through of which perfect combustion of @116 fuel pipes 8 and 10 to the stack 5. If the valve obtained. is swung to its extreme other position, clos 70 A further object is the provision of a ing the lower end of the pipe 8, the furnace check draft whereby economy of fuel is obdraft is then open and the entire supply of tained. air passes from the throat 11 through con- A further object is the provision of a duits 15 to the ash pit, thence through the draft control which will provide proper supgrate to the fire box. The draft may be set 75 ply of air for any regulated condition. at any intermediate point, as indicated in In the accompanying drawings, I have dotted lines in Figure 2. The capacity of shown one embodiment of the invention. In pipe 8 is equal to the capacity of the smoke this showing: pipe, whereby the same volume of air passes Figure 1 is a side elevation, parts being through each of these pipes and proper com- 80 shown in section, bustion is thus obtained.

Figure 2 is a detail sectional View on line It is to be understood that the form of my 2-2 of Figure 3, invention herewith shown and described is Figure 3 is a horizontal sectional view on to be taken as a preferred example of the line 3-3 of Figure 1, and, same, and that various changes in the shape. 85

Figure is a perspective view of the atsize, and arrangement of parts may be retachment detached. sorted to without departing from the spirit Referring to the drawings, the reference of the invention or the scope of the subnumeral 1 designates a furnace or heater of joined claims. any type, such as a hot air furnace, the boiler Having thus described my invention, T 90 of a hot air or steam heating system, or claim: an ordinary heating stove. The furnace is 1. A draft attachment for furnaces comprovided with a fire door 2, and an ash pit prising a pipe arranged adjacent the furdoor 3 opening into an ash pit 4: (see Figure nace and communicating with the stack of A stack 5 communicates with the top of. the furnace at its upper end, a throat com- @5 the fire box 6. The furnace or boiler may municating with the lower end of said pipe, be surrounded by a suitable casing 7 of sheet said throat being provided with an inlet metal or other suitable material. opening, a conduit extending from said The attachment forming the subject matthroat to a point where air is taken into the ter of the present invention consists of an furnace to feed the fire, and a valve ar- 1% air pipe 8, arranged adjacent the furnace and ranged in said throat and adapted to afford extending from the floor or foundation to a communication at all times with either said point above the top of the furnace. The pipe or said conduit or both and being upper end of this pipe is connected by aneladapted to entirely close either said pipe or how 9 to a horizontal portion 10, communisaid conduit, the capacity of said pipe being 1 eating with the stack. The lower end of this substantially equal to the capacity of the pipe communicates with a throat 11, having stack of the furnace. an inlet opening 12. A draft regulator 13 2. A draft attachment for furnaces com is arranged in the throat and is adapted to prising a pipe arranged adjacent the furnace 5 control communication between the inlet 12 and communicating with the stack of the W throat being provided with an inlet opening,

a substantially semi-circular conduit surroundlng the furnace and connecting said throat to the furnace beneath the grate, and

a valve arranged in said throat and adapted to afford communication at all times" with either said pipe or said conduit or both and being adapted to entirely close either said pipe or said conduit, the capacity of said pipe being substantially equal to the capacity of the stack of the furnace. l

' 3. A draft attachment for furnaces comprising a pipe arranged adjacent a furnace and communicating with the stack of the furnace at its upper end, a throat communicating with the lower end of said pipe, said throat being provided with an inlet opening,

a pair of substantially semi-circular conduits surrounding the furnace and connecting said throat to the furnace beneath the grate, and a valve pivotally mounted in said throat and adapted to afford communication at all times with either said pipe or said conduitsor both and being adapted toentirely close either said pipe or said conduits, said valve being. provided with an operating handle, the capacity of said pipe being substan tially equal to the capacity of the stack of the 1 furnace.

In testimony whereof I afiix my signature in presence of two witnesses.

BEAUMONT "r", S REET.

Vitnesses WILLIAM D, TATLow, THOMAs F. REYNOLDS. 

